OpenTechnical

OT-2026-000102628

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000102628) never changes.

Identity and time

Publication numberOT-2026-000102628 · never reused
Internal UUID01a0aea4-858b-7ec8-ac45-a0e0ef318f76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102628
StatusPUBLIC

Content hashes

Canonical texte812bdabcce7dc59cc57d437b0dff0b68f79c3d4d4bc379dcac7acfbba5b7009
Markdown6cf444c7f2268acccc8cb7710f1ff6944df48f383fc40c9ff2254598f815e02a
PDF
Publication pageefb6829caac47be43a1c83b07b177cf9456495d4d5f33d0c03a1f4da1de64c73
Manifestdcd6c1fdf78467c5bde627d8d8fc7d44525299bbfb42e6539b5ada2f6407cb3c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureQjf9ubiqCtETBMOJqQvU/EBE9l9C2TUBEKtrQQyCLB6skxKgoTKBP7ubRI2Y6FD9xmhk7W+4hLtVKXJv1RBGBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:07.322863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102628
observed efb6829caac47be43a1c83b07b177cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.305201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102628/manifest.json
observed dcd6c1fdf78467c5bde627d8d8fc7d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.285715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102628/publication.md
observed 6cf444c7f2268acccc8cb7710f1ff694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.266797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102628/publication.txt
observed e812bdabcce7dc59cc57d437b0dff0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.